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Vulnerability record · CVE-2021-42010 · published 24 October 2022

CVE-2021-42010: Apache heron vulnerability

Apache · Heron

Heron versions <= 0.20.4-incubating allows CRLF log injection because of the lack of escaping in the log statements. Please update to version 0.20.5-incubating which addresses this issue.

9.8 CVSS 3.1 Critical EPSS 1.6% · top 25.8% CWE-116 · CWE-116
9.8CVSS 3.1 base score
1.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

Heron versions <= 0.20.4-incubating allows CRLF log injection because of the lack of escaping in the log statements. Please update to version 0.20.5-incubating which addresses this issue.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.openwall.com/lists/oss-security/2022/10/23/2 Mailing ListThird Party Advisory
https://lists.apache.org/thread/j65nwr8n7jchngwqptzh100drcr4ry2q Mailing ListVendor Advisory
http://www.openwall.com/lists/oss-security/2022/10/23/2 Mailing ListThird Party Advisory
https://lists.apache.org/thread/j65nwr8n7jchngwqptzh100drcr4ry2q Mailing ListVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-42010), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.